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Subject[PATCH 4/4] crypto: hisilicon - PASID fixed on Kunpeng 930
Date
From: Weili Qian <qianweili@huawei.com>

Enable PASID by setting 'sqc' and 'cqc' pasid bits
per queue in Kunpeng 930.

For Kunpeng 920, PASID is effective for all queues once set
in SVA scenarios.

Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Hui Tang <tanghui20@huawei.com>
---
drivers/crypto/hisilicon/hpre/hpre_main.c | 18 ++++++++++--------
drivers/crypto/hisilicon/qm.c | 11 +++++++++++
drivers/crypto/hisilicon/qm.h | 1 +
drivers/crypto/hisilicon/sec2/sec_main.c | 2 +-
drivers/crypto/hisilicon/zip/zip_main.c | 2 +-
5 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/drivers/crypto/hisilicon/hpre/hpre_main.c b/drivers/crypto/hisilicon/hpre/hpre_main.c
index 06448b8..67f1fca 100644
--- a/drivers/crypto/hisilicon/hpre/hpre_main.c
+++ b/drivers/crypto/hisilicon/hpre/hpre_main.c
@@ -356,10 +356,6 @@ static int hpre_set_user_domain_and_cache(struct hisi_qm *qm)
writel(0x0, HPRE_ADDR(qm, HPRE_COMM_CNT_CLR_CE));
writel(0x0, HPRE_ADDR(qm, HPRE_ECC_BYPASS));

- /* Enable data buffer pasid */
- if (qm->use_sva)
- hpre_pasid_enable(qm);
-
writel(HPRE_BD_USR_MASK, HPRE_ADDR(qm, HPRE_BD_ARUSR_CFG));
writel(HPRE_BD_USR_MASK, HPRE_ADDR(qm, HPRE_BD_AWUSR_CFG));
writel(0x1, HPRE_ADDR(qm, HPRE_RDCHN_INI_CFG));
@@ -383,6 +379,10 @@ static int hpre_set_user_domain_and_cache(struct hisi_qm *qm)
dev_err(dev, "acpi_evaluate_dsm err.\n");

disable_flr_of_bme(qm);
+
+ /* Enable data buffer pasid */
+ if (qm->use_sva)
+ hpre_pasid_enable(qm);
}

return ret;
@@ -993,16 +993,18 @@ static void hpre_remove(struct pci_dev *pdev)
return;
}
}
+
+ hpre_debugfs_exit(qm);
+ hisi_qm_stop(qm, QM_NORMAL);
+
if (qm->fun_type == QM_HW_PF) {
- if (qm->use_sva)
+ if (qm->use_sva && qm->ver == QM_HW_V2)
hpre_pasid_disable(qm);
hpre_cnt_regs_clear(qm);
qm->debug.curr_qm_qp_num = 0;
+ hisi_qm_dev_err_uninit(qm);
}

- hpre_debugfs_exit(qm);
- hisi_qm_stop(qm, QM_NORMAL);
- hisi_qm_dev_err_uninit(qm);
hisi_qm_uninit(qm);
}

diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index 93d4a21..c36c4a5 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -54,6 +54,8 @@
#define QM_SQ_PRIORITY_SHIFT 0
#define QM_SQ_ORDERS_SHIFT 4
#define QM_SQ_TYPE_SHIFT 8
+#define QM_QC_PASID_ENABLE 0x1
+#define QM_QC_PASID_ENABLE_SHIFT 7

#define QM_SQ_TYPE_MASK GENMASK(3, 0)
#define QM_SQ_TAIL_IDX(sqc) ((le16_to_cpu((sqc)->w11) >> 6) & 0x1)
@@ -1685,6 +1687,7 @@ static struct hisi_qp *qm_create_qp_nolock(struct hisi_qm *qm, u8 alg_type)
qp->req_cb = NULL;
qp->qp_id = qp_id;
qp->alg_type = alg_type;
+ qp->is_in_kernel = true;
qm->qp_in_used++;
atomic_set(&qp->qp_status.flags, QP_INIT);

@@ -1759,6 +1762,10 @@ static int qm_sq_ctx_cfg(struct hisi_qp *qp, int qp_id, u32 pasid)
sqc->cq_num = cpu_to_le16(qp_id);
sqc->w13 = cpu_to_le16(QM_MK_SQC_W13(0, 1, qp->alg_type));

+ if (ver >= QM_HW_V3 && qm->use_sva && !qp->is_in_kernel)
+ sqc->w11 = cpu_to_le16(QM_QC_PASID_ENABLE <<
+ QM_QC_PASID_ENABLE_SHIFT);
+
sqc_dma = dma_map_single(dev, sqc, sizeof(struct qm_sqc),
DMA_TO_DEVICE);
if (dma_mapping_error(dev, sqc_dma)) {
@@ -1797,6 +1804,9 @@ static int qm_cq_ctx_cfg(struct hisi_qp *qp, int qp_id, u32 pasid)
}
cqc->dw6 = cpu_to_le32(1 << QM_CQ_PHASE_SHIFT | 1 << QM_CQ_FLAG_SHIFT);

+ if (ver >= QM_HW_V3 && qm->use_sva && !qp->is_in_kernel)
+ cqc->w11 = cpu_to_le16(QM_QC_PASID_ENABLE);
+
cqc_dma = dma_map_single(dev, cqc, sizeof(struct qm_cqc),
DMA_TO_DEVICE);
if (dma_mapping_error(dev, cqc_dma)) {
@@ -2067,6 +2077,7 @@ static int hisi_qm_uacce_get_queue(struct uacce_device *uacce,
qp->uacce_q = q;
qp->event_cb = qm_qp_event_notifier;
qp->pasid = arg;
+ qp->is_in_kernel = false;

return 0;
}
diff --git a/drivers/crypto/hisilicon/qm.h b/drivers/crypto/hisilicon/qm.h
index c1dd0fc..8f5a3b9 100644
--- a/drivers/crypto/hisilicon/qm.h
+++ b/drivers/crypto/hisilicon/qm.h
@@ -288,6 +288,7 @@ struct hisi_qp {

struct hisi_qm *qm;
bool is_resetting;
+ bool is_in_kernel;
u16 pasid;
struct uacce_queue *uacce_q;
};
diff --git a/drivers/crypto/hisilicon/sec2/sec_main.c b/drivers/crypto/hisilicon/sec2/sec_main.c
index 4809c19..b5c2f7e 100644
--- a/drivers/crypto/hisilicon/sec2/sec_main.c
+++ b/drivers/crypto/hisilicon/sec2/sec_main.c
@@ -323,7 +323,7 @@ static int sec_engine_init(struct hisi_qm *qm)

reg = readl_relaxed(SEC_ADDR(qm, SEC_INTERFACE_USER_CTRL1_REG));
reg &= SEC_USER1_SMMU_MASK;
- if (qm->use_sva)
+ if (qm->use_sva && qm->ver == QM_HW_V2)
reg |= SEC_USER1_SMMU_SVA;
else
reg |= SEC_USER1_SMMU_NORMAL;
diff --git a/drivers/crypto/hisilicon/zip/zip_main.c b/drivers/crypto/hisilicon/zip/zip_main.c
index 9cdecff..115560f 100644
--- a/drivers/crypto/hisilicon/zip/zip_main.c
+++ b/drivers/crypto/hisilicon/zip/zip_main.c
@@ -292,7 +292,7 @@ static int hisi_zip_set_user_domain_and_cache(struct hisi_qm *qm)
writel(AXUSER_BASE, base + HZIP_SGL_RUSER_32_63);
writel(AXUSER_BASE, base + HZIP_BD_WUSER_32_63);

- if (qm->use_sva) {
+ if (qm->use_sva && qm->ver == QM_HW_V2) {
writel(AXUSER_BASE | AXUSER_SSV, base + HZIP_DATA_RUSER_32_63);
writel(AXUSER_BASE | AXUSER_SSV, base + HZIP_DATA_WUSER_32_63);
} else {
--
2.8.1
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